- Add 8 bucket tests: 30→'30 min', 59→'59 min', 60→'1 hr', 90→'1 hr', 120→'2 hrs', 1440→'1 day', 2880→'2 days', 10080→'7 days' - Add body-in-dispatch test: 1440-min lead → body='Starts in 1 day' (driven by configured lead, not live minutes-to-start delta) - humanizeLeadMinutes implementation already committed in Task 1 GREEN - All 23 tests GREEN